NEWJoin 2M+ software buyers|Get Weekly Insights, Trends & Expert PicksSubscribe free →

LlamaIndex vs Mastra Comparison

Last updated:

LlamaIndex

4.5(290 reviews)

Starting at Free free

  • Small Business
  • Mid-Market

LlamaIndex is an open-source data framework for building LLM-powered applications over private and enterprise data. It provides the tools to ingest, structure, and retrieve data for LLM context: document loaders for 100+…

Mastra

Starting at $250 /month

  • Small Business
  • Medium Business

Mastra is a TypeScript framework for agents that call functions and act on connected systems, together with typed workflows that branch, retry and pause for a person to approve a step. Both agents and workflows are publi…

LlamaIndex leads on user satisfaction with a 4.5-star rating across 290 reviews.

LlamaIndex vs Mastra — at a glance

FeatureLlamaIndexMastra
Rating4.5 / 5—
Reviews290—
Starting priceFree free$250 /month
Free trial No No
Free version No No
Best forSmall Business, Mid-Market, EnterpriseSmall Business, Medium Business, Large Enterprises
CategoryMachine Learning SoftwareAgentic AI
PlatformsCloud, On-Premise, LinuxSaaS/Web/Cloud
APIAvailableAvailable
Support modesDiscord Community (30k+ members), GitHub Issues, Help Center, Enterprise SupportOnline

Key differences between LlamaIndex and Mastra

  • Pricing: LlamaIndex starts at Free free, while Mastra starts at $250 /month.
  • Deployment: LlamaIndex supports Cloud, On-Premise, Linux; Mastra supports SaaS/Web/Cloud.

LlamaIndex vs Mastra — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Machine Learning Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

LlamaIndex logo
Talk to an expert
Talk to an expert
Mastra - Agentic AI
Talk to an expert
Talk to an expert

Free PDF comparison

Download this LlamaIndex vs Mastra comparison

Get the full side-by-side as a PDF — these picks plus the top Machine Learning Software tools, with verified ratings, pricing and features.

  • Side-by-side on pricing, features & ratings
  • Plus the category top 10, scored & ranked
  • Emailed to you — no on-screen download

No file downloads on screen — we email it to you. One-click unsubscribe anytime.

LlamaIndex vs Mastra: Biggest differences

Start here before you go deeper into features.

LlamaIndex

Best for

Small Business, Mid-Market, Enterprise

Mastra

Best for

Small Business, Medium Business, Large Enterprises

LlamaIndex typically suits Small Business and Mid-Market. Mastra tends to fit Small Business and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description

LlamaIndex is an open-source data framework for building LLM-powered applications over private and enterprise data. It provides the tools to ingest, structure, and retrieve data for LLM ... Read More about LlamaIndex

Mastra is a TypeScript framework for agents that call functions and act on connected systems, together with typed workflows that branch, retry and pause for a person to approve a step. Both ... Read More about Mastra

Entry Level Pricing

  • Starts from Free
  • Starts from $250 , monthly

Free Trial Availability

  • No free trial
  • No free trial

SpotScore

What's this? ↗

9.0/10

Not Available

User Ratings

Based on verified Spotsaas reviews
Get pricing help
Get pricing help

Where each option fits best

See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.

Based on buyer reviews and verified product data collected by Spotsaas.

Strengths

Key strengths

LlamaIndex

  • Private Data RAG in Hours: Pre-built connectors and indexing pipelines reduce the time to build a working RAG application over internal documents from weeks to hours.
  • Better Retrieval Quality: Advanced retrieval strategies (hybrid search, query decomposition, reranking) produce meaningfully better answers than naive vector search on complex documents.
  • Agent Workflows Over Enterprise Data: Agent tool use combined with data connectors allows AI to query databases, search documents, and take actions in a single orchestrated pipeline.
Best fit

Best fit

LlamaIndex

  • Enterprise teams building internal knowledge base Q&A over Notion, Confluence, and SharePoint documents
  • AI startups building RAG pipelines that need sophisticated retrieval (hybrid search, reranking) over complex document collections
  • Data engineering teams building structured data extraction pipelines from unstructured PDFs and reports

Software Demo

Demo

No software demo available

Mastra has not given any software demo yet

If you're the owner of this profile, add your demo.Contact us

Need a second opinion?

Get decision help from a software advisor

Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

Spotsaas advisor
Get decision help from a software advisor
  • Independent advice — matched to your business
  • Understand the tradeoffs before you talk to vendors
  • Free 15-min call with a software advisor.

Step 1 of 4

How big is your team?

We tailor recommendations to companies your size.

Trusted by teams at

How do LlamaIndex and Mastra Compare on Features?

Total Features

13 Features

8 Features

Unique Features

No unique features

No unique features

Get Quote
Get Quote

Compare LlamaIndex and Mastra on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • Free
      • $250 , monthly

      Pricing Plans

      • Open Source

        Free

        • Full framework

        • MIT license

        • Self-hosted

        Show more +

      • LlamaCloud Starter

        Free

        • Managed parsing

        • Cloud indexing

        • Limited usage

        Show more +

      • LlamaCloud Pro

        Custom

        paid

        • Higher limits

        • Priority parsing

        • Enterprise connectors

        Show more +

      • Starter

        Free

        • 100K observability events, then $10 per 100K

        • 24 CPU hours, then $0.35 per hour

        • 15 day data retention

        Show more +

      • Teams

        $250

        /month

        • 1M observability events, then $8 per 100K

        • 250 CPU hours, then $0.25 per hour

        • 6 month data retention

        Show more +

      • Enterprise

        Custom

        • Hosted or self-hosted

        • Flat annual fee, no per-trace metering

        • Custom retention

      LlamaIndex vs Mastra: Other Details

      Organization Types supported

          Platforms Supported

              Modes of support

              • 24/7 (Live rep)
              • Business Hours
              • Online
              • 24/7 (Live rep)
              • Business Hours
              • Online

              API Support

              • Available
              • Available
              Get help choosing
              Get help choosing

              LlamaIndex User Reviews & Rating Comparison

              User Ratings

              4.5

              (based on 290 reviews)

              No reviews available for the product

              Rating Distribution

              0

              0

              0

              0

              0

              No reviews available for this product

              Spotsaas Editor’s POV generated by AI

              Buyer sentiment

              Buyer sentiment is very strong across 290 reviews, with consistently positive feedback.

              What buyers like

              • 100+ pre-built data connectors cover virtually every enterprise data source (Notion, Slack, SQL, PDF, Google Drive) without custom ingestion code.
              • Advanced retrieval strategies beyond simple vector search — hybrid, recursive, small-to-big retrieval — improve RAG quality on complex enterprise documents.
              • Both Python and TypeScript SDKs with identical APIs enable the same RAG pipeline to be used in backend Python services and Node.js applications.

              Common complaints

              • The framework abstraction layer can obscure what is happening under the hood — debugging retrieval quality issues sometimes requires understanding multiple abstraction layers.
              • LlamaCloud managed service is newer and less mature than the core open-source library; enterprise production deployments may encounter rough edges.

              Buyer sentiment

              No reviews exist for this product in this catalogue, so no buyer sentiment can be reported.

              Pros and Cons

              • 100+ pre-built data connectors cover virtually every enterprise data source (Notion, Slack, SQL, PDF, Google Drive) without custom ingestion code.

              • Advanced retrieval strategies beyond simple vector search — hybrid, recursive, small-to-big retrieval — improve RAG quality on complex enterprise documents.

              • Both Python and TypeScript SDKs with identical APIs enable the same RAG pipeline to be used in backend Python services and Node.js applications.

              • The framework abstraction layer can obscure what is happening under the hood — debugging retrieval quality issues sometimes requires understanding multiple abstraction layers.

              • LlamaCloud managed service is newer and less mature than the core open-source library; enterprise production deployments may encounter rough edges.

              No pros or cons available for this product

              Used LlamaIndex or Mastra? Tell buyers what actually differs.

              Top Alternatives to LlamaIndex and Mastra in 2026

              Alternatives

              No Alternative products available.

              Expand your comparison

              Add another option to compare side by side

              Search by product name to compare pricing, fit, and buyer feedback in one view.

              Compare similar software options

              No Alternative Products ☹️

              Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

              Frequently asked questions

              Which is better, LlamaIndex or Mastra?
              LlamaIndex edges out the other on user ratings (4.5 vs -1.0). That said, the best pick depends on your use case, so use the comparison tables above to evaluate each dimension.
              Do LlamaIndex and Mastra offer a free trial?
              Neither LlamaIndex nor Mastra currently lists a free trial.
              What is the starting price of LlamaIndex vs Mastra?
              LlamaIndex starts at Free free. Mastra starts at $250 /month.
              What are the top alternatives to LlamaIndex?
              Top alternatives to LlamaIndex include Aporia, ByteBridge, BentoML, Recombee, neptune.ml.